Cabal preprocessing

Ulf,
> - are there strong reasons for putting preprocessed files in src?
One reason could be that, when distributing *sources*, you'd want the
generated file to be included as well (that is, you want to regard it
as a source file), for the system your program is to be compiled on
might not have the preprocessor available and you don't want to make
that a hard requirement... Of course, you can still achieve this by
putting it in dist and put the file from dist in the generated
tarball, but, arguably, the way it's done now, makes explicit that
the file might be viewed as a source file.
Also, building executables with GHC --make requires (?) modules to be
present in designated locations in the directory tree...
Just some thoughts, though...
Cheers,
Stefan